PlatformThreadHandle: remove public id() interface

base/threading/platform_thread.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // WARNING: You should *NOT* be using this class directly.  PlatformThread is
 // the low-level platform-specific abstraction to the OS's threading interface.
 // You should instead be using a message-loop driven Thread, see thread.h.
 
 #ifndef BASE_THREADING_PLATFORM_THREAD_H_
 #define BASE_THREADING_PLATFORM_THREAD_H_
@@ skipping 55 matching lines @@
 
 // Used to operate on threads.
 class PlatformThreadHandle {
  public:
 #if defined(OS_WIN)
   typedef void* Handle;
 #elif defined(OS_POSIX)
   typedef pthread_t Handle;
 #endif
 
-  PlatformThreadHandle()
-      : handle_(0),
-        id_(0) {
-  }
+  PlatformThreadHandle() : handle_(0) {}
 
-  explicit PlatformThreadHandle(Handle handle)
-      : handle_(handle),
-        id_(0) {
-  }
-
-  PlatformThreadHandle(Handle handle,
-                       PlatformThreadId id)
-      : handle_(handle),
-        id_(id) {
-  }
-
-  // TODO(toyoshim): Remove id() and use PlatformThread::CurrentId() instead.
-  PlatformThreadId id() const {
-    return id_;
-  }
+  explicit PlatformThreadHandle(Handle handle) : handle_(handle) {}
 
   bool is_equal(const PlatformThreadHandle& other) const {
     return handle_ == other.handle_;
   }
 
   bool is_null() const {
     return !handle_;
   }
 
   Handle platform_handle() const {
     return handle_;
   }
 
  private:
   Handle handle_;
-  PlatformThreadId id_;
 };
 
 const PlatformThreadId kInvalidThreadId(0);
 
 // Valid values for priority of Thread::Options and SimpleThread::Options, and
 // SetCurrentThreadPriority(), listed in increasing order of importance.
 enum class ThreadPriority {
   // Suitable for threads that shouldn't disrupt high priority work.
   BACKGROUND,
   // Default priority level.
@@ skipping 80 matching lines @@
 
   static ThreadPriority GetCurrentThreadPriority();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformThread);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_PLATFORM_THREAD_H_